≡

The symbol ≡ (triple bar) is used in science and mathematics with several different meanings. It may refer to the following:

Mathematics edit

Identity (mathematics), identity of two mathematical expressions
Logical biconditional, in logic (if and only if)
Modular arithmetic, a ≡ b (mod m)
Equivalence relation, often denoted using a triple bar

Chemistry edit

Triple bond, a type of covalent bond between two atoms

Computing edit

Hamburger button, often used for drop-down menus
Symbol for the line feed character in ISO 2047

See also edit

≅, a symbol used in approximation
The eight trigrams of the Bagua: ☰, ☱, ☲, ☳, ☴, ☵, ☶, ☷
Ξ, capital letter Xi of the Greek alphabet
三, Chinese numeral for the number 3
Glossary of mathematical symbols
Tesla Model 3, whose logo originally stylized the digit 3 as three horizontal bars
III (disambiguation), three letter Is in a row

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